| Introduction |
Plastic expansion anchors can be used for lightweight items. Plastic expansion anchors are made to hold a screw, expanding inside the wall as the screw is driven into them. They look like a jacket with ribs for your screw, and they're often packaged with the accompanying screw inside. |
| Features |
- Tough and durable
- High-quality and inexpensive
- Corrosion protection
- Anti-aging
|
| Usage |
Expansion anchors are the kind of anchor most of us use to hang curtain rods, towel bars or heavy pictures in drywall. The most common expansion anchors are simple plastic or metal cylinders, ridged inside and out. Perforations down the side of the anchor open as a screw is put in, expanding the ridged outside to grip the wallboard or plaster. Threaded drywall anchors or toggles are heavy-duty anchors, used for very heavy mirrors or an application where the weight does not hang straight down, like a grab bar in a bathroom. These anchors may be plastic but the most heavy-duty ones are metal, fashioned like a large, wide wood screw or cylinder with a "wing" that flips out as the screw is inserted. Several light-duty anchors can be used to replace one heavy-duty anchor if the weight has a simple downward pull but the heavier types should be used for heavy drapes or any valuable heavy pieces. Plastic wall anchors should not be used to hang anything heavier than a smoke alarm from a ceiling: the downward force will bend the plastic and the screw will eventually be pulled out. If expansion anchors can't be removed by unscrewing them or jiggling to loosen them, they can be tamped in with a nail set and shackled for painting. |
ထို့အပြင်ကျွန်ုပ်တို့၏ကုမ္ပဏီသည်အဓိကအားဖြင့်မြေပြင်ဝက်အူများကိုရောင်းချသည်။ အခွံမာသီး, အဝတ်လျှော်စက်များ, သစ်သား screw နှစ်ခုနှင့်စသည့်ထုတ်ကုန်များများပိုမိုများပြားလာသည်။
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